The monument responds to seasonal temperatures, contracting a few millimeters when it's cold and expanding when it's warm.

This piece of the medal contains fragments of iron that were removed from the Eiffel Tower and preserved during renovations in the 20th century. The outer part of the medal is meant to catch the light ...

Four additional stamps show them above landmarks such as the Eiffel Tower and Niagara Falls. The Red Arrows were established in 1964 and have completed almost 5,000 displays in 57 countries.